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• n  a whip used to inflict punishment (often used for pedantic humor)
• n  a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa)

• He displayed not only a quick wit in the courtroom but also an easy grasp of complex arguments about such things as the molecular motor that drives the bacterial flagellumwhich .

• scourge

News & Articles

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• Bacteria Exploit Evolutionary Foible To Propel Themselves Through Water
  redOrbit Staff & Wire Reports - Your Universe Online Marine microbes change swimming directions with a sideways flick of their lone flagellum, a type of high-speed controlled failure first documented in 2011 as a unique swimming stroke but whose underlying mechanism had eluded researchers until now. Bacteria swim by rotating the helical, hair-like flagella that extend from their unicellular ...
  July 9, 2013 - redOrbit